It's Image for UEFI (like IFD CUI, but in UEFI). Most UEFI systems are not currently complete or stable enough to support it, though. The booting issue could be the BIOS not supporting it or you may need to try a different USB Layout option for the boot media.

most name brand systems seem to work, it's the mobo's that hit or miss (even
the same manufacture).

"TeraByte Support (PP)" wrote in message news:13864@public.image...

It's Image for UEFI (like IFD CUI, but in UEFI). Most UEFI systems are not
currently complete or stable enough to support it, though. The booting issue
could be the BIOS not supporting it or you may need to try a different USB
Layout option for the boot media.